This Feb. 27, 2012 photo released by the State Attorney's Office shows George Zimmerman, the neighborhood watch volunteer who shot Trayvon Martin, with blood on the back of his head. The photo and reports were among evidence released by prosecutors that also includes calls to police, video and numerous other documents. The package was received by defense lawyers earlier this week and released to the media on Thursday, May 17, 2012. (AP Photo/State Attorney's Office)